21851435522

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{3371}}^1$

素因数の和:3935

約数の個数: 64

約数和(自身を含む): 40135108608

約数和(自身を除く): 18283673086

約数列:

[1, 2, 7, 14, 23, 41, 46, 82, 161, 287, 322, 491, 574, 943, 982, 1886, 3371, 3437, 6601, 6742, 6874, 11293, 13202, 20131, 22586, 23597, 40262, 47194, 77533, 79051, 138211, 140917, 155066, 158102, 276422, 281834, 463013, 542731, 926026, 967477, 1085462, 1655161, 1934954, 3178853, 3241091, 3310322, 6357706, 6482182, 11586127, 22251971, 23172254, 38068703, 44503942, 67861601, 76137406, 135723202, 266480921, 475031207, 532961842, 950062414, 1560816823, 3121633646, 10925717761, 21851435522]

約数ペア:

[(1, 21851435522), (2, 10925717761), (7, 3121633646), (14, 1560816823), (23, 950062414), (41, 532961842), (46, 475031207), (82, 266480921), (161, 135723202), (287, 76137406), (322, 67861601), (491, 44503942), (574, 38068703), (943, 23172254), (982, 22251971), (1886, 11586127), (3371, 6482182), (3437, 6357706), (6601, 3310322), (6742, 3241091), (6874, 3178853), (11293, 1934954), (13202, 1655161), (20131, 1085462), (22586, 967477), (23597, 926026), (40262, 542731), (47194, 463013), (77533, 281834), (79051, 276422), (138211, 158102), (140917, 155066)]